Start switch to maven modules

1 files changed, 149 insertions, 0 deletions

diff --git a/base/src/bjc/dicelang/Token.java b/base/src/bjc/dicelang/Token.java
new file mode 100644
index 0000000..2841973
--- /dev/null
+++ b/base/src/bjc/dicelang/Token.java
@@ -0,0 +1,149 @@
+package bjc.dicelang;
+
+import bjc.dicelang.dice.DieExpression;
+import bjc.utils.funcdata.IList;
+
+/*
+ * @TODO 10/09/17 Ben Culkin :TokenReorg
+ * 	Split the class into subclasses based off of type.
+ */
+/**
+ * Lexer token.
+ */
+@SuppressWarnings("javadoc")
+public class Token {
+	public final static Token NIL_TOKEN = new Token(Type.NIL);
+
+	/**
+	 * Possible token types
+	 */
+	public static enum Type {
+		// Natural tokens
+		// These are produced from lexemes
+		ADD, SUBTRACT, MULTIPLY, DIVIDE, IDIVIDE, INT_LIT, FLOAT_LIT, STRING_LIT, VREF, DICE_LIT, DICESCALAR, DICEFUDGE, DICEGROUP, DICECONCAT, DICELIST, LET, BIND, COERCE, STRCAT, STRREP, OPAREN, CPAREN, OBRACKET, CBRACKET, OBRACE, CBRACE,
+
+		// Synthetic tokens
+		// These are produced when needed
+		NIL, GROUPSEP, TOKGROUP, TAGOP, TAGOPR
+	}
+
+	public final Type type;
+
+	// This is used for the following token types
+	// INT_LIT (int value)
+	// STRING_LIT (index into string table)
+	// VREF (index into sym table)
+	// O* and C* (sym-count of current token)
+	public long intValue;
+
+	// This is used for the following token types
+	// FLOAT_LIT (float value)
+	public double floatValue;
+
+	// This is used for the following token types
+	// DICE_LIT (dice value)
+	public DieExpression diceValue;
+
+	// This is used for the following token types
+	// TOKGROUP (the tokens in the group)
+	// TAG* (the tagged construct)
+	public IList<Token> tokenValues;
+
+	public Token(final Type typ) {
+		type = typ;
+	}
+
+	public Token(final Type typ, final long val) {
+		this(typ);
+
+		intValue = val;
+	}
+
+	public Token(final Type typ, final double val) {
+		this(typ);
+
+		floatValue = val;
+	}
+
+	public Token(final Type typ, final DieExpression val) {
+		this(typ);
+
+		diceValue = val;
+	}
+
+	public Token(final Type typ, final IList<Token> tkVals) {
+		this(typ);
+
+		tokenValues = tkVals;
+	}
+
+	@Override
+	public String toString() {
+		switch (type) {
+		case INT_LIT:
+		case STRING_LIT:
+		case VREF:
+		case OPAREN:
+		case CPAREN:
+		case OBRACKET:
+		case CBRACKET:
+		case OBRACE:
+		case CBRACE:
+			return type.toString() + "(" + intValue + ")";
+
+		case FLOAT_LIT:
+			return type.toString() + "(" + floatValue + ")";
+
+		case DICE_LIT:
+			return type.toString() + "(" + diceValue + ")";
+
+		case TAGOP:
+		case TAGOPR:
+		case TOKGROUP:
+			return type.toString() + "(" + tokenValues + ")";
+
+		default:
+			return type.toString();
+		}
+	}
+
+	@Override
+	public boolean equals(final Object other) {
+		if (!(other instanceof Token)) {
+			return false;
+		}
+
+		final Token otk = (Token) other;
+
+		if (otk.type != type) {
+			return false;
+		}
+
+		switch (type) {
+		case OBRACE:
+		case OBRACKET:
+			return intValue == otk.intValue;
+
+		default:
+			return true;
+		}
+	}
+
+	public boolean isGrouper() {
+		switch (type) {
+		case OPAREN:
+		case OBRACE:
+		case OBRACKET:
+			return true;
+
+		default:
+			return false;
+		}
+	}
+
+	@Override
+	public int hashCode() {
+		// TODO Auto-generated method stub
+		return super.hashCode();
+	}
+}